Answer:
(2,-1)
Step-by-step explanation:
Multiply first equation by 2:
10x + 2y = 18
Subtract the second equation from this so that the 2y terms cancel:
10x - 3x = 18 - 4
7x = 14
x = 2
Plug into first equation to find y:
5(2) + y = 9
10 + y = 9
y = -1
The answer is (2,-1)
Answer:
25
Step-by-step explanation:
First you have to figure out how much each is worth by itself.
carmel =30
coco chips =50
coconut= 45
then add all of them you'd get 125
subtract 125 from 150 and get 25
Answer:
$27.75
Step-by-step explanation:
Multiply $2.25 by 11 to get the answer
Answer:
7 socks were sold
Step-by-step explanation:
7*8=56
11-7=4
4×11=44
56+44=100
This proves the answer of 7 to be correct
